STEREOSCOPIC DISPLAY AND STEREOSCOPIC DISPLAY METHOD

• US 20100302351A1
• Filed: 05/19/2010
• Published: 12/02/2010
• Est. Priority Date: 05/29/2009
• Status: Abandoned Application

• Current Assignee: Sony Corporation (Sony Group Corp.)
• Original Assignee: Sony Corporation (Sony Group Corp.)
• Inventors: Yanamoto, Kaoru
• Application Number:
  US12/783,158
• Publication Number:
  US 20100302351A1
• Time in Patent Office: Days
• US Class Current: 348/55
• CPC Class Codes: H04N 13/315 the parallax barriers being time-variant

Abstract

A display device includes a two-dimensional display section configured to display parallax images for stereoscopic display, a variable parallax barrier configured to form a plurality of different barrier patterns, each barrier pattern having light transmitting portions and light blocking portions, and at least one timing controller for controlling a first switching operation in the two-dimensional display section and a second switching operation in the variable parallax barrier.

Claims

1. A display device comprising:

a two-dimensional display section configured to display parallax images for stereoscopic display;

a variable parallax barrier configured to form a plurality of different barrier patterns, each barrier pattern having light transmitting portions and light blocking portions; and

at least one timing controller for controlling a first switching operation in the two-dimensional display section and a second switching operation in the variable parallax barrier.

2. The display device according to claim 1, wherein the at least one timing controller is configured to synchronize the first and second switching operations.

3. The display device according to claim 1, wherein the two-dimensional display section has a pixel configuration including a plurality of sub-pixels, the plurality of sub-pixels emitting light of a plurality of different colors.

4. The display according to claim 3, wherein a combination of sub-pixels of three different light emitting colors that are connected to one another in a longitudinal direction of the two-dimensional display section constitute a unit pixel.

5. The display according to claim 3,

wherein the pixel configuration includes a plurality of columns of sub-pixels arranged in a longitudinal direction of the two-dimensional display section, and a plurality of rows of sub-pixels arranged in a lateral direction of the two-dimensional display section, and

wherein sub-pixels of multiple light emitting colors are periodically arranged in each column, and sub-pixels of a single light emitting color are arranged in each row.

6. The display according to claim 1, wherein the two-dimensional display section is configured to combine a first set of two parallax images into a first screen image according to a first predetermined display pattern for viewing at a first position.

7. The display according to claim 6, wherein the two-dimensional display section is configured to combine a second set of two parallax images into a second screen image according to a second predetermined display pattern for viewing at a second position that is different than the first position.

8. The display according to claim 1,

wherein the two-dimensional display section has a pixel configuration that includes a plurality of columns of pixels in a longitudinal direction of the two-dimensional display section,

wherein a first display pattern includes alternating columns of pixels, and a second display pattern includes alternating columns of pixels other than the alternating columns of pixels in the first display pattern.

9. The display according to claim 8, wherein during a given time period a first parallax image is displayed in the first display pattern, and a second parallax image is displayed in the second display pattern.

10. The display according to claim 9, wherein during subsequent time periods the timing controller causes display of the first and second parallax images to periodically alternate between the first and second display patterns.

11. The display according to claim 1, wherein the variable parallax barrier displays a barrier pattern for optically separating each of a plurality of parallax images displayed by the two-dimensional display section.

12. The display according to claim 1, wherein the variable parallax barrier includes a plurality of pixels that are two-dimensionally arranged, and the variable parallax barrier is configured to switch at least a plurality of the pixels between a first at least substantially transparent state a second at least substantially opaque state.

13. The display according to claim 8, wherein the variable parallax barrier switches between a first barrier pattern and a second barrier pattern,

the first barrier pattern including a plurality of at least substantially transparent pixels that correspond to positions of the pixels in the first display pattern of the two-dimensional display section, and including a plurality of at least substantially opaque pixels that correspond to positions of the pixels in the second display pattern of the two-dimensional display section, and

the second barrier pattern including a plurality of at least substantially opaque pixels that correspond to positions of the pixels in the first display pattern of the two-dimensional display section, and including a plurality of at least substantially transparent pixels that correspond to positions of the pixels in the second display pattern of the two-dimensional display section.

14. The display according to claim 13,

wherein during a given time period a first parallax image is displayed in the first display pattern, and a second parallax image is displayed in the second display pattern, and

wherein during subsequent time periods the timing controller:

(a) causes the first and second parallax images to periodically alternate between the first and second display patterns, and

(b) causes the first and second barrier patterns to periodically alternate between the first and second barrier patterns in synchronization with the alternation of the first and second parallax images.

15. The display according to claim 13,

wherein the first barrier pattern is configured to optically separate light emitted from the two-dimensional display section to enable stereoscopic vision when parallax images in the first display pattern are displayed, and

wherein the second barrier pattern is configured to optically separate the light emitted from the two-dimensional display section to enable stereoscopic vision when parallax images in the second display pattern are displayed.

16. The display according to claim 13, wherein shapes and positions of the at least substantially transparent pixels in each of the first and second barrier patterns are set to enable light rays from a first parallax image of the two-dimensional display section to be directed to a first viewing position, and light rays from a second parallax image of the two-dimensional display section to be directed to a second viewing position that is different from the first viewing position.

17. The display according to claim 8,

wherein at a time of alternating first and second parallax images between the first and second display patterns, a frame signal is transmitted to the timing controller, and

wherein the timing controller synchronizes a switching timing of first and second barrier patterns in the variable parallax barrier and a switching timing of the first and second display patterns in the two-dimensional display section based on the frame signal.

18. The display according to claim 17, wherein the timing controller accounts for a difference in response speed between the variable parallax barrier and the two-dimensional display section.

19. The display according to claim 18, wherein the timing controller controls a timing of forming a transparent barrier pattern in the variable parallax barrier to be delayed relative to a timing of displaying image data of each of the display patterns displayed on the two-dimensional display section.

20. A display device comprising:

a liquid crystal display panel configured to display parallax images for stereoscopic display;

a variable parallax barrier configured to form a plurality of different barrier patterns, each barrier pattern having light transmitting portions and light blocking portions;

at least one timing controller for controlling a first switching operation in the liquid crystal display panel and a second switching operation in the variable parallax barrier; and

a backlight configured to emit light through the liquid crystal display panel and the variable parallax barrier.

21. The display device according to claim 20, wherein the at least one timing controller is configured to synchronize the first and second switching operations.

22. The display device according to claim 20, wherein the liquid crystal display panel has a pixel configuration including a plurality of sub-pixels, the plurality of sub-pixels emitting light of a plurality of different colors.

23. The display according to claim 22, wherein a combination of sub-pixels of three different light emitting colors that are connected to one another in a longitudinal direction of the liquid crystal display panel constitute a unit pixel.

24. The display according to claim 22,

wherein the pixel configuration includes a plurality of columns of sub-pixels arranged in a longitudinal direction of the liquid crystal display panel, and a plurality of rows of sub-pixels arranged in a lateral direction of the liquid crystal display panel, and

wherein sub-pixels of multiple light emitting colors are periodically arranged in each column, and sub-pixels of a single light emitting color are arranged in each row.

25. The display according to claim 20, wherein the liquid crystal display panel is configured to combine a first set of two parallax images into a first screen image according to a first predetermined display pattern for viewing at a first position.

26. The display according to claim 25, wherein the liquid crystal display panel is configured to combine a second set of two parallax images into a second screen image according to a second predetermined display pattern for viewing at a second position that is different than the first position.

27. The display according to claim 20,

wherein the liquid crystal display panel has a pixel configuration that includes a plurality of columns of pixels in a longitudinal direction of the liquid crystal display panel,

wherein a first display pattern includes alternating columns of pixels, and a second display pattern includes alternating columns of pixels other than the alternating columns of pixels in the first display pattern.

28. The display according to claim 27, wherein during a given time period a first parallax image is displayed in the first display pattern, and a second parallax image is displayed in the second display pattern.

29. The display according to claim 28, wherein during subsequent time periods the timing controller causes display of the first and second parallax images to periodically alternate between the first and second display patterns.

30. The display according to claim 20, wherein the variable parallax barrier displays a barrier pattern for optically separating each of a plurality of parallax images displayed by the liquid crystal display panel.

31. The display according to claim 20, wherein the variable parallax barrier includes a plurality of pixels that are two-dimensionally arranged, and the variable parallax barrier is configured to switch at least a plurality of the pixels between a first at least substantially transparent state a second at least substantially opaque state.

32. The display according to claim 27, wherein the variable parallax barrier switches between a first barrier pattern and a second barrier pattern,

the first barrier pattern including a plurality of at least substantially transparent pixels that correspond to positions of the pixels in the first display pattern of the liquid crystal display panel, and including a plurality of at least substantially opaque pixels that correspond to positions of the pixels in the second display pattern of the liquid crystal display panel, and

the second barrier pattern including a plurality of at least substantially opaque pixels that correspond to positions of the pixels in the first display pattern of the liquid crystal display panel, and including a plurality of at least substantially transparent pixels that correspond to positions of the pixels in the second display pattern of the liquid crystal display panel.

33. The display according to claim 32,

wherein during a given time period a first parallax image is displayed in the first display pattern, and a second parallax image is displayed in the second display pattern, and

wherein during subsequent time periods the timing controller:

(a) causes display of the first and second parallax images to periodically alternate between the first and second display patterns, and

(b) causes the first and second barrier patterns to periodically alternate between the first and second barrier patterns in synchronization with the alternation of the first and second parallax images.

34. The display according to claim 32,

wherein the first barrier pattern is configured to optically separate light emitted from the liquid crystal display panel to enable stereoscopic vision when parallax images in the first display pattern are displayed, and

wherein the second barrier pattern is configured to optically separate the light emitted from the liquid crystal display panel to enable stereoscopic vision when parallax images in the second display pattern are displayed.

35. The display according to claim 32, wherein shapes and positions of the at least substantially transparent pixels in each of the first and second barrier patterns are set to enable light rays from a first parallax image of the liquid crystal display panel to be directed to a first viewing position, and light rays from a second parallax image of the liquid crystal display panel to be directed to a second viewing position that is different from the first viewing position.

36. The display according to claim 20,

wherein at a time of alternating first and second parallax images between the first and second display patterns, a frame signal is transmitted to the timing controller, and

wherein the timing controller synchronizes a switching timing of first and second barrier patterns in the variable parallax barrier and a switching timing of the first and second display patterns in the liquid crystal display panel based on the frame signal.

37. The display according to claim 36, wherein the timing controller accounts for a difference in response speed between the variable parallax barrier and the liquid crystal display panel.

38. The display according to claim 37, wherein the timing controller controls a timing of forming a transparent barrier pattern in the variable parallax barrier to be delayed relative to a timing of displaying image data of each of the display patterns displayed on the liquid crystal display panel.

39. The display according to claim 20, wherein the backlight has switchable on/off states, and

wherein the timing controller controls a timing of switching the backlight to an on state to be delayed relative to a timing of:

(a) forming a transparent barrier pattern in the variable parallax barrier; and

(b) displaying image data of each of the display patterns on the liquid crystal display panel.

40. A method of displaying a stereoscopic image, the method comprising:

displaying parallax images for stereoscopic display with a two-dimensional display section;

forming a plurality of different barrier patterns with a variable parallax barrier, each barrier pattern having light transmitting portions and light blocking portions; and

controlling a first switching operation in the two-dimensional display section and a second switching operation in the variable parallax barrier.

41. A method of displaying a stereoscopic image according to claim 40, including synchronizing the first and second switching operations.

42. A method of displaying a stereoscopic image according to claim 40, further comprising combining a first set of two parallax images into a first screen image according to a first predetermined display pattern for viewing at a first position.

43. A method of displaying a stereoscopic image according to claim 42, further comprising combining a second set of two parallax images into a second screen image according to a second predetermined display pattern for viewing at a second position that is different than the first position.

44. A method of displaying a stereoscopic image according to claim 40,

wherein the two-dimensional display section has a pixel configuration that includes a plurality of columns of pixels in a longitudinal direction of the two-dimensional display section,

wherein a first display pattern includes alternating columns of pixels, and a second display pattern includes alternating columns of pixels other than the alternating columns of pixels in the first display pattern,

the method further comprising displaying, during a given time period, a first parallax image in the first display pattern, and displaying a second parallax image in the second display pattern.

45. A method of displaying a stereoscopic image according to claim 44, further comprising periodically alternating display of the first and second parallax images between the first and second display patterns during subsequent time periods.

46. A method of displaying a stereoscopic image according to claim 40, further comprising displaying on the variable parallax barrier a barrier pattern for optically separating each of a plurality of parallax images displayed by the two-dimensional display section.

47. A method of displaying a stereoscopic image according to claim 40, wherein the variable parallax barrier includes a plurality of pixels that are two-dimensionally arranged,

the method further comprising switching at least a plurality of the pixels of the variable parallax barrier between a first at least substantially transparent state a second at least substantially opaque state.

48. A method of displaying a stereoscopic image according to claim 44, further comprising switching the variable parallax barrier between a first barrier pattern and a second barrier pattern,

wherein the first barrier pattern includes a plurality of at least substantially transparent pixels that correspond to positions of the pixels in the first display pattern of the two-dimensional display section, and including a plurality of at least substantially opaque pixels that correspond to positions of the pixels in the second display pattern of the two-dimensional display section, and

wherein the second barrier pattern includes a plurality of at least substantially opaque pixels that correspond to positions of the pixels in the first display pattern of the two-dimensional display section, and including a plurality of at least substantially transparent pixels that correspond to positions of the pixels in the second display pattern of the two-dimensional display section.

49. A method of displaying a stereoscopic image according to claim 48, further comprising:

displaying, during a given time period, a first parallax image in the first display pattern, and a second parallax image in the second display pattern, and

during subsequent time periods;

(a) periodically alternating display of the first and second parallax images between the first and second display patterns, and

(b) periodically alternating the first and second barrier patterns between the first and second barrier patterns in synchronization with the alternation of the first and second parallax images.

50. A method of displaying a stereoscopic image according to claim 48, further comprising:

optically separating, with the first barrier pattern, light emitted from the two-dimensional display section to enable stereoscopic vision when parallax images in the first display pattern are displayed, and

optically separating, with the second barrier pattern, light emitted from the two-dimensional display section to enable stereoscopic vision when parallax images in the second display pattern are displayed.

51. A method of displaying a stereoscopic image according to claim 48, further comprising:

directing light rays from a first parallax image through the at least substantially transparent pixels of the first barrier pattern to a first viewing position, and

directing light rays from a second parallax image through the at least substantially transparent pixels of the second barrier pattern to a second viewing position that is different from the first viewing position.

52. A method of displaying a stereoscopic image according to claim 44, further comprising:

transmitting a frame signal at a time of alternating first and second parallax images between first and second display patterns of the two-dimensional display section, and

synchronizing a switching timing of first and second barrier patterns of the variable parallax barrier and a switching timing of the first and second display patterns of the two-dimensional display section based on the frame signal.

53. A method of displaying a stereoscopic image according to claim 52, including performing the synchronous control to account for a difference in response speed between the variable parallax barrier and the two-dimensional display section.

54. A method of displaying a stereoscopic image according to claim 53, including controlling a timing of forming a transparent barrier pattern in the variable parallax barrier to be delayed relative to a timing of displaying image data of each of the display patterns displayed on the two-dimensional display section.

55. A method of displaying a stereoscopic image, the method comprising:

displaying parallax images for stereoscopic display with a liquid crystal display panel;

forming a plurality of different barrier patterns with a variable parallax barrier, each barrier pattern having light transmitting portions and light blocking portions;

controlling a first switching operation in the liquid crystal display panel and a second switching operation in the variable parallax barrier; and

emitting light from a backlight through the liquid crystal display panel and the variable parallax barrier.

56. A method of displaying a stereoscopic image according to claim 55, including synchronizing the first and second switching operations.

57. A method of displaying a stereoscopic image according to claim 55, further comprising combining a first set of two parallax images into a first screen image according to a first predetermined display pattern for viewing at a first position.

58. A method of displaying a stereoscopic image according to claim 57, further comprising combining a second set of two parallax images into a second screen image according to a second predetermined display pattern for viewing at a second position that is different than the first position.

59. A method of displaying a stereoscopic image according to claim 55,

wherein the liquid crystal display panel has a pixel configuration that includes a plurality of columns of pixels in a longitudinal direction of the liquid crystal display panel,

wherein a first display pattern includes alternating columns of pixels, and a second display pattern includes alternating columns of pixels other than the alternating columns of pixels in the first display pattern,

the method further comprising displaying, during a given time period, a first parallax image in the first display pattern, and displaying a second parallax image in the second display pattern.

60. A method of displaying a stereoscopic image according to claim 59, further comprising periodically alternating display of the first and second parallax images between the first and second display patterns during subsequent time periods.

61. A method of displaying a stereoscopic image according to claim 55, further comprising displaying on the variable parallax barrier a barrier pattern for optically separating each of a plurality of parallax images displayed by the liquid crystal display panel.

62. A method of displaying a stereoscopic image according to claim 55, wherein the variable parallax barrier includes a plurality of pixels that are two-dimensionally arranged,

the method further comprising switching at least a plurality of the pixels of the variable parallax barrier between a first at least substantially transparent state a second at least substantially opaque state.

63. A method of displaying a stereoscopic image according to claim 59, further comprising switching the variable parallax barrier between a first barrier pattern and a second barrier pattern,

wherein the first barrier pattern includes a plurality of at least substantially transparent pixels that correspond to positions of the pixels in the first display pattern of the liquid crystal display panel, and including a plurality of at least substantially opaque pixels that correspond to positions of the pixels in the second display pattern of the liquid crystal display panel, and

wherein the second barrier pattern includes a plurality of at least substantially opaque pixels that correspond to positions of the pixels in the first display pattern of the liquid crystal display panel, and including a plurality of at least substantially transparent pixels that correspond to positions of the pixels in the second display pattern of the liquid crystal display panel.

64. A method of displaying a stereoscopic image according to claim 63, further comprising:

displaying, during a given time period, a first parallax image in the first display pattern, and a second parallax image in the second display pattern, and

during subsequent time periods;

(a) periodically alternating display of the first and second parallax images between the first and second display patterns, and

(b) periodically alternating the first and second barrier patterns between the first and second barrier patterns in synchronization with the alternation of the first and second parallax images.

65. A method of displaying a stereoscopic image according to claim 63, further comprising:

optically separating, with the first barrier pattern, light emitted from the liquid crystal display panel to enable stereoscopic vision when parallax images in the first display pattern are displayed, and

optically separating, with the second barrier pattern, light emitted from the liquid crystal display panel to enable stereoscopic vision when parallax images in the second display pattern are displayed.

66. A method of displaying a stereoscopic image according to claim 63, further comprising:

directing light rays from a first parallax image through the at least substantially transparent pixels of the first barrier pattern to a first viewing position, and

directing light rays from a second parallax image through the at least substantially transparent pixels of the second barrier pattern to a second viewing position that is different from the first viewing position.

67. A method of displaying a stereoscopic image according to claim 59, further comprising:

transmitting a frame signal at a time of alternating first and second parallax images between first and second display patterns of the liquid crystal display panel, and

synchronizing a switching timing of first and second barrier patterns of the variable parallax barrier and a switching timing of the first and second display patterns of the liquid crystal display panel section based on the frame signal.

68. A method of displaying a stereoscopic image according to claim 67, including performing the synchronous control to account for a difference in response speed between the variable parallax barrier and the liquid crystal display panel.

69. A method of displaying a stereoscopic image according to claim 68, including controlling a timing of forming a transparent barrier pattern in the variable parallax barrier to be delayed relative to a timing of displaying image data of each of the display patterns displayed on the liquid crystal display panel.

70. A method of displaying a stereoscopic image according to claim 55, wherein the backlight has switchable on/off states, and

the method further includes delaying a timing of switching the backlight to an on state relative to a timing of:

(a) forming a transparent barrier pattern in the variable parallax barrier; and

(b) displaying image data of each of the display patterns on the liquid crystal display panel.